diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-12-11 10:34:33 (GMT) |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2013-12-18 01:17:53 (GMT) |
commit | 24986ee06929a8de3a5b4722ccadf0b85c175264 (patch) | |
tree | 96baab74b307b9566db0f493dc63de0b031ad6c2 | |
parent | 5ec467a80301fccb21eaf4bcc04cd0f4536a30d6 (diff) | |
download | linux-24986ee06929a8de3a5b4722ccadf0b85c175264.tar.xz |
drm: kill DRIVER_REQUIRE_AGP
Only the two intel drivers need this and they can easily check for
working agp support in their driver ->load callbacks.
This is the only reason why agp initialization could fail, so allows
us to rip out a bit of error handling code in the next patch.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r-- | drivers/gpu/drm/drm_pci.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/i810/i810_dma.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i810/i810_drv.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 4 | ||||
-rw-r--r-- | include/drm/drmP.h | 1 |
6 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index efadad8..c99c71b 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -267,11 +267,6 @@ static int drm_pci_agp_init(struct drm_device *dev) if (drm_core_has_AGP(dev)) { if (drm_pci_device_is_agp(dev)) dev->agp = drm_agp_init(dev); - if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) - && (dev->agp == NULL)) { - DRM_ERROR("Cannot initialize the agpgart module.\n"); - return -EINVAL; - } if (dev->agp) { dev->agp->agp_mtrr = arch_phys_wc_add( dev->agp->agp_info.aper_base, diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index 249fdff..aeace37 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -1193,6 +1193,10 @@ static int i810_flip_bufs(struct drm_device *dev, void *data, int i810_driver_load(struct drm_device *dev, unsigned long flags) { + /* Our userspace depends upon the agp mapping support. */ + if (!dev->agp) + return -EINVAL; + pci_set_master(dev->pdev); return 0; diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index d8180d2..441ccf8 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -57,7 +57,7 @@ static const struct file_operations i810_driver_fops = { static struct drm_driver driver = { .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | + DRIVER_USE_AGP | DRIVER_HAVE_DMA, .dev_priv_size = sizeof(drm_i810_buf_priv_t), .load = i810_driver_load, diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 89e4cf1..7eefc17 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1476,6 +1476,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) return -ENODEV; } + /* UMS needs agp support. */ + if (!drm_core_check_feature(dev, DRIVER_MODESET) && !dev->agp) + return -EINVAL; + dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0ec0fb3..e570ad7 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -828,7 +828,7 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (PCI_FUNC(pdev->devfn)) return -ENODEV; - driver.driver_features &= ~(DRIVER_USE_AGP | DRIVER_REQUIRE_AGP); + driver.driver_features &= ~(DRIVER_USE_AGP); return drm_get_pci_dev(pdev, ent, &driver); } @@ -936,7 +936,7 @@ static struct drm_driver driver = { * deal with them for Intel hardware. */ .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | + DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER, .load = i915_driver_load, diff --git a/include/drm/drmP.h b/include/drm/drmP.h index de86cce..eef421b 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -137,7 +137,6 @@ int drm_err(const char *func, const char *format, ...); /* driver capabilities and requirements mask */ #define DRIVER_USE_AGP 0x1 -#define DRIVER_REQUIRE_AGP 0x2 #define DRIVER_PCI_DMA 0x8 #define DRIVER_SG 0x10 #define DRIVER_HAVE_DMA 0x20 |